LBZ Engine Diagram | Diesel PlaceAnybody have an engine compartment diagram (LBZ) for us newbies that don't know what we're looking at? There a metal tube with a blue fitting on it in the back of my engine compartment with a bunch of soot looking s*&t on it and just wondering why this is and where its coming from - figure I should first figure out what the hell im looking at.14 Best Duramax Engine Diagrams images | Duramax, DiagramJun 11, 2014 - Duramax Engine Diagrams . See more ideas about Duramax, Diagram, Duramax diesel.14 pins1 followers6 Duramax LBZ Specs & Information - duramaxhubThe LBZ was available mated to either the Allison 1000 six speed automatic or the ZF650 six speed manual transmission. 2007 would mark the last model year that any Duramax engine was available with a manual transmission. The Duramax LBZ was produced from 2006 to 2007 model years, with the LMM replacing it by mid-2007. 6 Duramax LBZ SpecsDuramax engine parts diagram | Diesel PlaceDuramax engine parts diagram. Jump to Latest Follow 1 - 3 of 3 Posts. sledman · Registered. Joined Jan 28, 2005 · 655 Posts . Discussion Starter • #1 • Dec 14, 2007. Where can I go